RELATIONS 3

Question

x y
-3 -3
-2 -1

-1  1
0   3
1   5

x goes up by +1 each time.
y goes up by +2 each time.

For this linear relation, develop the equation for the relation.

 

I do not understand!! Please please help! This is the last given and the most difficult!!

Answer 1

m (slope) = Δy/Δx

m = 2/1

 

When x = 0, y = 3

The y-intercept (b) is 3

 

y = 2x + 3